MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5955c621a801b3e3eb1cae8bbbbfa9c271ce90a66ba4da7f076274a49222273b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AurotunStealer


Vendor detections: 17


Intelligence 17 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5955c621a801b3e3eb1cae8bbbbfa9c271ce90a66ba4da7f076274a49222273b
SHA3-384 hash: 6a54813b1cc17f60fad9942c9f86044f2e4481fa9dc3693972145379aded0757a553d87bc5cdf1fff9007184640a3491
SHA1 hash: 5234c40cae90bfd1f0df6bffc649394d71e749cd
MD5 hash: 1e528551011046741c1d2902d6a10c68
humanhash: batman-rugby-twenty-bluebird
File name:1e528551011046741c1d2902d6a10c68.exe
Download: download sample
Signature AurotunStealer
Create hunting rule
File size:14'738'133 bytes
First seen:2025-09-14 17:30:12 UTC
Last seen:2025-09-15 12:20:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash efd455830ba918de67076b7c65d86586 (59 x Gh0stRAT, 19 x ValleyRAT, 6 x OffLoader)
ssdeep 393216:soVQc35uwtX5tzTIAqZkL3b2VsA1FsXWtt+5IDgoUk:/QcpuwZREkLLKsAz9ttqo7B
Threatray 23 similar samples on MalwareBazaar
TLSH T15BE63327B2CB203FF46A86360AB7D262883B7B6069174C679BE44C1DCF265D41D3F646
TrID 60.0% (.EXE) Inno Setup installer (107240/4/30)
23.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
5.8% (.EXE) Win64 Executable (generic) (10522/11/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:AurotunStealer exe


Avatar
abuse_ch
AurotunStealer C2:
150.241.116.6:42873

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
150.241.116.6:42873 https://threatfox.abuse.ch/ioc/1589988/

Intelligence

File Origin
# of uploads :
2
# of downloads :
108
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
1e528551011046741c1d2902d6a10c68.exe
Verdict:
Malicious activity
Analysis date:
2025-09-14 17:32:51 UTC
Tags:
aurotun stealer evasion rat remcos remote auto-startup
Link:
https://app.any.run/tasks/764582ec-8982-4c43-807f-da6071b226c4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/27427/
Detection(s):
no reply from clamd
Create hunting rule

Verdict:
Malicious
Score:
98.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c6fbead49ea3f1e4b5a155
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context alien anti-debug embarcadero_delphi fingerprint innosetup installer overlay packed zero
Link:
https://www.filescan.io/uploads/68c6fbe50d1238ff0aabc0ed/reports/9169c6f3-7d4d-4921-bc47-e65b5f9b8b1e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5955c621a801b3e3eb1cae8bbbbfa9c271ce90a66ba4da7f076274a49222273b
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-11T15:25:00Z UTC
Last seen:
2025-09-11T15:25:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/5955c621a801b3e3eb1cae8bbbbfa9c271ce90a66ba4da7f076274a49222273b/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/10a7f15f-c040-4550-b91b-2ad43cebd131
Result
Threat name:
Remcos, Aurotun Stealer, HijackLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1777398
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected Remcos RAT
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Aurotun Stealer
Yara detected HijackLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777398 Sample: HAwh5EbmHM.exe Startdate: 14/09/2025 Architecture: WINDOWS Score: 100 79 nitoo.xyz 2->79 81 brpt.xyz 2->81 83 2 other IPs or domains 2->83 99 Suricata IDS alerts for network traffic 2->99 101 Found malware configuration 2->101 103 Malicious sample detected (through community Yara rule) 2->103 107 11 other signatures 2->107 11 HAwh5EbmHM.exe 2 2->11         started        14 ChipDynamic.exe 5 2->14         started        signatures3 105 Performs DNS queries to domains with low reputation 81->105 process4 file5 61 C:\Users\user\AppData\...\HAwh5EbmHM.tmp, PE32 11->61 dropped 17 HAwh5EbmHM.tmp 3 9 11->17         started        63 C:\Users\user\AppData\Local\...\7C9B905.tmp, PE32+ 14->63 dropped 123 Modifies the context of a thread in another process (thread injection) 14->123 125 Maps a DLL or memory area into another process 14->125 20 Chime.exe 14->20         started        22 SigmaI.exe 14->22         started        signatures6 process7 file8 43 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 17->43 dropped 45 C:\Users\user\AppData\Local\...\PYTHON27.DLL, PE32 17->45 dropped 47 C:\Users\user\AppData\Local\...\MSVCR90.dll, PE32 17->47 dropped 49 2 other malicious files 17->49 dropped 24 ChipDynamic.exe 7 17->24         started        process9 file10 53 C:\ProgramData\toolUpdate\PYTHON27.DLL, PE32 24->53 dropped 55 C:\ProgramData\toolUpdate\MSVCR90.dll, PE32 24->55 dropped 57 C:\ProgramData\toolUpdate\ChipDynamic.exe, PE32 24->57 dropped 59 C:\ProgramData\...\ChipDynamic.exe.log, ASCII 24->59 dropped 111 Switches to a custom stack to bypass stack traces 24->111 113 Found direct / indirect Syscall (likely to bypass EDR) 24->113 28 ChipDynamic.exe 9 24->28         started        signatures11 process12 file13 65 C:\Users\user\AppData\Local\...\fpt.exe, MS-DOS 28->65 dropped 67 C:\Users\user\AppData\Local\...\Chime.exe, PE32 28->67 dropped 69 C:\Users\user\AppData\Local\Temp\SigmaI.exe, PE32+ 28->69 dropped 71 C:\Users\user\AppData\Local\...\5EEF661.tmp, PE32+ 28->71 dropped 115 Modifies the context of a thread in another process (thread injection) 28->115 117 Found hidden mapped module (file has been removed from disk) 28->117 119 Maps a DLL or memory area into another process 28->119 121 2 other signatures 28->121 32 SigmaI.exe 1 28->32         started        37 Chime.exe 2 28->37         started        signatures14 process15 dnsIp16 73 nitoo.xyz 150.241.116.6, 42873, 49719 TECNALIAES Spain 32->73 75 api.ipify.org 104.26.12.205, 443, 49722, 49725 CLOUDFLARENETUS United States 32->75 77 127.0.0.1 unknown unknown 32->77 51 C:\Users\user\...\sSGCOsQKIujR52Mt6qxM, PE32+ 32->51 dropped 89 Found many strings related to Crypto-Wallets (likely being stolen) 32->89 91 Tries to harvest and steal browser information (history, passwords, etc) 32->91 93 Writes to foreign memory regions 32->93 97 7 other signatures 32->97 39 cmd.exe 4 6 32->39         started        95 Switches to a custom stack to bypass stack traces 37->95 file17 signatures18 process19 dnsIp20 85 brpt.xyz 45.89.190.3, 23581, 49726 ASN-QUADRANET-GLOBALUS Russian Federation 39->85 87 geoplugin.net 178.237.33.50, 49727, 80 ATOM86-ASATOM86NL Netherlands 39->87 109 Detected Remcos RAT 39->109 signatures21
Score:
85%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5955c621a801b3e3eb1cae8bbbbfa9c271ce90a66ba4da7f076274a49222273b
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/1e528551011046741c1d2902d6a10c68
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5955c621a801b3e3eb1cae8bbbbfa9c271ce90a66ba4da7f076274a49222273b/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-09-11 21:42:49 UTC
File Type:
PE (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lfk4miniagz6h2y4v2f3xp5jyjy45efgnosnu7yhmj2kjerce45q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
hijackloader
Create hunting rule
aurotunstealer
Create hunting rule
Similar samples:
230f4de7b92166c695ad4f8bc469e2a39a31d0640ceb994d4f46f1afdabea90b
AurotunStealer
5d3e68d15490e52e3cb5d386658ab60d13af3459aa1286e46000a5cea8dcec88
AurotunStealer
72acf597de6ade41537a8d9d153e89064168ed780feeffc66ecf3081922fd87d
AurotunStealer
7dfe8d25b80b42ba7834c671f91956652ba929a239056bfc4321622eab60de3e
AurotunStealer
9e05baee59cd27a85f08cf2fa678f54c3bb639f29d4521bfa0319bf174c04dba
AurotunStealer
bcc062030c3615d3f8e42e3a2a0b4410e07cf5c845c72c95b56d41d81bac5f46
AurotunStealer
error
AurotunStealer
+ 13 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:aurotun family:hijackloader family:remcos campaign:site credential_access discovery loader rat spyware stealer
Link:
https://tria.ge/reports/250914-v3pkwsyxaz/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Badlisted process makes network request
Aurotun
Aurotun family
Detects Aurotun stealer
Detects HijackLoader (aka IDAT Loader)
HijackLoader
Hijackloader family
Remcos
Remcos family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/67714afd-f95c-4499-a2b3-59fb29c4fd7f
Unpacked files
SH256 hash:
5955c621a801b3e3eb1cae8bbbbfa9c271ce90a66ba4da7f076274a49222273b
MD5 hash:
1e528551011046741c1d2902d6a10c68
SHA1 hash:
5234c40cae90bfd1f0df6bffc649394d71e749cd
Link:
https://www.unpac.me/results/889ca5c7-f09a-47bf-92dd-3c4d5011bfdd/
SH256 hash:
eb43c7f3cc127b852f6da41f364cb1c821fb9ccb8009f77c671ab5bb6f63db1f
MD5 hash:
3c3b5969195ee2ddc6dbd8312ba8d87e
SHA1 hash:
bac5ef5ef59996fe911a9f7234c26729f24d629e
Link:
https://www.unpac.me/results/889ca5c7-f09a-47bf-92dd-3c4d5011bfdd/
SH256 hash:
10c14e876e6cbf261fb85aef332bc23b43a6ea02c22890af950108fc4e125a99
MD5 hash:
8bb4e3071050201cab3245d14b96bc6b
SHA1 hash:
692ca9841d943a3368d6507f0314dd3a5c21bd38
Link:
https://www.unpac.me/results/889ca5c7-f09a-47bf-92dd-3c4d5011bfdd/
SH256 hash:
523f69ed14e7d9ab237f5cbf978dfd9927e966f82a8bb73cb0856810349f2916
MD5 hash:
e5910028cf422e6ef69e3909f96bd255
SHA1 hash:
c381dda77ff4dfcd86081cc0a5be63451a32559f
Link:
https://www.unpac.me/results/889ca5c7-f09a-47bf-92dd-3c4d5011bfdd/
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
Link:
https://www.unpac.me/results/889ca5c7-f09a-47bf-92dd-3c4d5011bfdd/
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
Link:
https://www.unpac.me/results/889ca5c7-f09a-47bf-92dd-3c4d5011bfdd/
SH256 hash:
1d853ad30ea2c61379a538c5db1d4db9e87577c1fb7558044bd31a3389e4aa95
MD5 hash:
a3bc59591af1403edec8f6bfbb8a4d16
SHA1 hash:
e71c52fa49229a84b028f91ae57d626d0a8591b0
Link:
https://www.unpac.me/results/889ca5c7-f09a-47bf-92dd-3c4d5011bfdd/
Malware family:
IDATLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5955c621a801/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5955c621a801b3e3eb1cae8bbbbfa9c271ce90a66ba4da7f076274a49222273b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/27427/

Comments